If you are installing this software on a Red Hat Enterprise Linux (RHEL)
server, you will have to subscribe to the "RHEL Server Optional" before
attempting to install this component.  If you do not enable this channel, you
will receive an error that looks similar to this:

   --> Finished Dependency Resolution
  Error: Package: BackupPC-3.2.1-1.el6.x86_64 (epel)
             Requires: perl(Archive::Zip)
  Error: Package: BackupPC-3.2.1-1.el6.x86_64 (epel)
             Requires: perl(XML::RSS)
  Error: Package: BackupPC-3.2.1-1.el6.x86_64 (epel)
             Requires: perl-Time-modules
  Error: Package: BackupPC-3.2.1-1.el6.x86_64 (epel)
             Requires: perl(Time::ParseDate)
   You could try using --skip-broken to work around the problem
   You could try running: rpm -Va --nofiles --nodigest


References:
http://fedoraproject.org/wiki/EPEL#How_can_I_use_these_extra_packages.3F
https://access.redhat.com/kb/docs/DOC-11313
https://bugzilla.redhat.com/show_bug.cgi?id=749627